add specific subnet for nodepool
This commit is contained in:
parent
b5039e2bc1
commit
c9101824fc
10
agents.tf
10
agents.tf
@ -11,15 +11,19 @@ module "agents" {
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firewall_ids = [hcloud_firewall.k3s.id]
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firewall_ids = [hcloud_firewall.k3s.id]
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placement_group_id = hcloud_placement_group.k3s.id
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placement_group_id = hcloud_placement_group.k3s.id
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location = var.location
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location = var.location
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network_id = hcloud_network.k3s.id
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server_type = each.value.server_type
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server_type = each.value.server_type
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subnet_id = hcloud_network_subnet.subnet[each.value.subnet].id
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private_ip = cidrhost(var.network_subnets[each.value.subnet], each.value.index + 1)
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labels = {
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labels = {
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"provisioner" = "terraform",
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"provisioner" = "terraform",
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"engine" = "k3s"
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"engine" = "k3s"
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}
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}
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hcloud_token = var.hcloud_token
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hcloud_token = var.hcloud_token
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depends_on = [
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hcloud_network_subnet.subnet
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]
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}
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}
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resource "null_resource" "agents" {
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resource "null_resource" "agents" {
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@ -73,6 +77,6 @@ resource "null_resource" "agents" {
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depends_on = [
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depends_on = [
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null_resource.first_control_plane,
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null_resource.first_control_plane,
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hcloud_network_subnet.k3s
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hcloud_network_subnet.subnet
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]
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]
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}
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}
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2
data.tf
2
data.tf
@ -15,4 +15,4 @@ data "github_release" "kured" {
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repository = "kured"
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repository = "kured"
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owner = "weaveworks"
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owner = "weaveworks"
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retrieve_by = "latest"
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retrieve_by = "latest"
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}
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}
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2
init.tf
2
init.tf
@ -58,7 +58,7 @@ resource "null_resource" "first_control_plane" {
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}
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}
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depends_on = [
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depends_on = [
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hcloud_network_subnet.k3s
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hcloud_network_subnet.subnet["control_plane"]
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]
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]
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}
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}
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@ -33,9 +33,11 @@ locals {
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agent_nodepools = merge([
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agent_nodepools = merge([
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for nodepool_name, nodepool_obj in var.agent_nodepools : {
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for nodepool_name, nodepool_obj in var.agent_nodepools : {
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for index in range(lookup(nodepool_obj, "count", var.agents_num)) :
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for index in range(nodepool_obj.count) :
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format("%s-%s", nodepool_name, index) => {
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format("%s-%s", nodepool_name, index) => {
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server_type : nodepool_obj.server_type
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server_type : nodepool_obj.server_type,
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subnet : lookup(nodepool_obj, "subnet", "default"),
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index : index
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}
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}
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}
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}
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]...)
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]...)
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13
main.tf
13
main.tf
@ -10,14 +10,15 @@ resource "hcloud_ssh_key" "k3s" {
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resource "hcloud_network" "k3s" {
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resource "hcloud_network" "k3s" {
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name = "k3s"
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name = "k3s"
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ip_range = "10.0.0.0/8"
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ip_range = var.network_ip_range
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}
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}
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resource "hcloud_network_subnet" "k3s" {
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resource "hcloud_network_subnet" "subnet" {
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for_each = var.network_subnets
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network_id = hcloud_network.k3s.id
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network_id = hcloud_network.k3s.id
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type = "cloud"
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type = "cloud"
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network_zone = var.network_region
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network_zone = var.network_region
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ip_range = "10.0.0.0/16"
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ip_range = each.value
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}
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}
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resource "hcloud_firewall" "k3s" {
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resource "hcloud_firewall" "k3s" {
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@ -29,8 +30,8 @@ resource "hcloud_firewall" "k3s" {
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protocol = "tcp"
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protocol = "tcp"
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port = "any"
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port = "any"
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source_ips = [
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source_ips = [
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var.network_ip_range,
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"127.0.0.1/32",
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"127.0.0.1/32",
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"10.0.0.0/8",
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"169.254.169.254/32",
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"169.254.169.254/32",
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"213.239.246.1/32"
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"213.239.246.1/32"
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]
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]
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@ -40,8 +41,8 @@ resource "hcloud_firewall" "k3s" {
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protocol = "udp"
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protocol = "udp"
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port = "any"
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port = "any"
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source_ips = [
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source_ips = [
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var.network_ip_range,
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"127.0.0.1/32",
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"127.0.0.1/32",
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"10.0.0.0/8",
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"169.254.169.254/32",
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"169.254.169.254/32",
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"213.239.246.1/32"
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"213.239.246.1/32"
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]
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]
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@ -50,8 +51,8 @@ resource "hcloud_firewall" "k3s" {
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direction = "in"
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direction = "in"
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protocol = "icmp"
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protocol = "icmp"
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source_ips = [
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source_ips = [
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var.network_ip_range,
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"127.0.0.1/32",
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"127.0.0.1/32",
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"10.0.0.0/8",
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"169.254.169.254/32",
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"169.254.169.254/32",
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"213.239.246.1/32"
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"213.239.246.1/32"
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]
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]
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@ -65,6 +65,7 @@ resource "hcloud_server" "server" {
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}
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}
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resource "hcloud_server_network" "server" {
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resource "hcloud_server_network" "server" {
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server_id = hcloud_server.server.id
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ip = var.private_ip
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network_id = var.network_id
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server_id = hcloud_server.server.id
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subnet_id = var.subnet_id
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}
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}
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@ -54,9 +54,14 @@ variable "location" {
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type = string
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type = string
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}
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}
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variable "network_id" {
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variable "subnet_id" {
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description = "The network or subnet id"
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description = "The subnet id"
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type = number
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type = string
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}
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variable "private_ip" {
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description = "Private IP for the server"
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type = string
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}
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}
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variable "server_type" {
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variable "server_type" {
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@ -11,8 +11,9 @@ module "control_planes" {
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firewall_ids = [hcloud_firewall.k3s.id]
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firewall_ids = [hcloud_firewall.k3s.id]
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placement_group_id = hcloud_placement_group.k3s.id
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placement_group_id = hcloud_placement_group.k3s.id
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location = var.location
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location = var.location
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network_id = hcloud_network.k3s.id
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server_type = var.control_plane_server_type
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server_type = var.control_plane_server_type
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subnet_id = hcloud_network_subnet.subnet["control_plane"].id
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private_ip = cidrhost(var.network_subnets["control_plane"], count.index + 1)
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labels = {
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labels = {
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"provisioner" = "terraform",
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"provisioner" = "terraform",
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@ -20,6 +21,10 @@ module "control_planes" {
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}
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}
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hcloud_token = var.hcloud_token
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hcloud_token = var.hcloud_token
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depends_on = [
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hcloud_network_subnet.subnet
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]
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}
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}
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resource "null_resource" "control_planes" {
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resource "null_resource" "control_planes" {
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@ -78,6 +83,6 @@ resource "null_resource" "control_planes" {
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depends_on = [
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depends_on = [
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null_resource.first_control_plane,
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null_resource.first_control_plane,
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hcloud_network_subnet.k3s
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hcloud_network_subnet.subnet
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]
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]
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}
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}
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@ -7,24 +7,32 @@ private_key = "/home/username/.ssh/id_ed25519"
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# These can be customized, or left with the default values
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# These can be customized, or left with the default values
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# For Hetzner locations see https://docs.hetzner.com/general/others/data-centers-and-connection/
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# For Hetzner locations see https://docs.hetzner.com/general/others/data-centers-and-connection/
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# For Hetzner server types see https://www.hetzner.com/cloud
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# For Hetzner server types see https://www.hetzner.com/cloud
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location = "fsn1" # change to `ash` for us-east Ashburn, Virginia location
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location = "fsn1" # change to `ash` for us-east Ashburn, Virginia location
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network_region = "eu-central" # change to `us-east` if location is ash
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network_region = "eu-central" # change to `us-east` if location is ash
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network_ip_range = "10.0.0.0/8"
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network_subnets = {
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control_plane = "10.1.0.0/16"
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subnet1 = "10.2.0.0/16"
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subnet2 = "10.3.0.0/16"
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}
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control_plane_server_type = "cpx11"
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control_plane_server_type = "cpx11"
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lb_server_type = "lb11"
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lb_server_type = "lb11"
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# At least 3 server nodes is recommended for HA, otherwise you need to turn off automatic upgrade (see ReadMe).
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# At least 3 server nodes is recommended for HA, otherwise you need to turn off automatic upgrade (see ReadMe).
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servers_num = 3
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servers_num = 3
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# For agent nodes, at least 2 is recommended for HA, but you can keep automatic upgrades.
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agents_num = 2
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agent_nodepools = {
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agent_nodepools = {
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big = {
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big = {
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server_type = "cpx31",
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server_type = "cpx31",
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count = 1
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count = 1,
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subnet = "subnet1",
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}
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}
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small = {
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small = {
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server_type = "cpx21",
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server_type = "cpx21",
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count = 2,
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subnet = "subnet2",
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}
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}
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}
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}
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15
variables.tf
15
variables.tf
@ -30,6 +30,16 @@ variable "network_region" {
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type = string
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type = string
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}
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}
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variable "network_ip_range" {
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description = "Default IP range for network"
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type = string
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}
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variable "network_subnets" {
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description = "Subnets definition for default network"
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type = map(string)
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}
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variable "control_plane_server_type" {
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variable "control_plane_server_type" {
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description = "Default control plane server type"
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description = "Default control plane server type"
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type = string
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type = string
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@ -52,11 +62,6 @@ variable "servers_num" {
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type = number
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type = number
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}
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}
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variable "agents_num" {
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description = "Number of agent nodes."
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type = number
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}
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variable "agent_nodepools" {
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variable "agent_nodepools" {
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description = "Number of agent nodes."
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description = "Number of agent nodes."
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type = map(any)
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type = map(any)
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